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(11)

EP 4 405 771 A1

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(43) Date of publication: 31.07.2024 Bulletin 2024/31 (21) Application number: 22772532.2 (22) Date of filing: 07.09.2022

(51) International Patent Classification (IPC):  G06F 1/16(2006.01) H04M 1/72409(2021.01) H04M 1/02(2006.01) G09F 9/30(2006.01) (52) Cooperative Patent Classification (CPC): G06F 1/1652; G06F 1/163; G06F 1/1654; G06F 1/1677; G06F 1/1681; G06F 1/1694; H04M 1/0256; H04M 1/0216; H04M 1/0268; H04M 1/72409; G06F 2203/04102; G09F 9/301 (86) International application number: PCT/EP2022/074872 (87) International publication number: WO 2023/046481 (30.03.2023 Gazette 2023/13)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 22.09.2021 US 202117448402 (71) Applicant: International Business Machines Corporation Armonk, NY 10504 (US)	(72) Inventors: RAKSHIT, Sarbajit Kolkata, WB 700156 (IN) TRIM, Craig New York 13760 (US) KEEN, Martin Research Triangle Park, North Carolina 27709-2195 (US) GANCI JR, John Durham, North Carolina 27703-9141 (US) (74) Representative: IBM United Kingdom Limited  Intellectual Property Law Hursley Park Winchester, Hampshire SO21 2JN Winchester, Hampshire SO21 2JN (GB)